Wi-Fi was invented by the committee of IEEE 802.11 i

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Wi-Fi

Use synonyms

was invented by the committee of IEEE 802.11 in 1997 and its main techniques came from John O’Sullivan and his team from

Cydney university

Suggestion

a Cydney university

Cydney universities

in Australia, who solved the critical problem about signal interference. The idea of

Wi-Fi

Use synonyms

first

Linking Words

came from a company called NCR in the 1980s.

This

Linking Words

company wanted to address the problem of connection of cash register without wired network. Eventually, they successfully invented Wave LAN, which is recognized as a pioneer of

Wi-Fi

Use synonyms

Linking Words

, when it comes to usages, internet access is a significant section. People can use it on a laptop, personal computer, smartphone, and tablet.

Additionally

Linking Words

, it could be divided into two aspects, which is

also

Linking Words

important. One is

city-wide

occurring or extending throughout a city

citywide

and the other one is campus-wide. In conclusion,

Wi-Fi

Use synonyms

is rather useful because people can visit the Internet without using wires of the network and it is becoming cheaper and cheaper.

However

Linking Words

, it is limited by its range.

In addition

Linking Words

, network security is still not safe currently.

s0322018Wed Sep 18 2019

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Include an introduction and conclusion

A conclusion is essential for IELTS writing task 2. It is more important than most people realise. You will be penalised for missing a conclusion in your IELTS essay.

The easiest paragraph to write in an essay is the conclusion paragraph. This is because the paragraph mostly contains information that has already been presented in the essay – it is just the repetition of some information written in the introduction paragraph and supporting paragraphs.

The conclusion paragraph only has 3 sentences:

Summary
Restatement of thesis
Prediction or recommendation

Example:

To summarize, a robotic teacher does not have the necessary disciple to properly give instructions to students and actually works to retard the ability of a student to comprehend new lessons. Therefore, it is clear that the idea of running a classroom completely by a machine cannot be supported. After thorough analysis on this subject, it is predicted that the adverse effects of the debate over technology-driven teaching will always be greater than the positive effects, and because of this, classroom teachers will never be substituted for technology.

Start your conclusion with a linking phrase. Here are some examples:

In conclusion
To conclude
To summarize
Finally
In a nutshell
In general

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7
Linking words
meeting the goal of 7 or more
1
Word repetition
meeting the goal of 3 or fewer
2
Grammar mistakes
detected issues

<4

Overall Band Score

Coherence and Cohesion: 4.0

Logical structure

Introduction & conclusion present

Supported main points

Accurate linking words

Variety in linking words

Lexical resource: 7.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 7.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 4.0

Complete response

Clear & comprehensive ideas

Relevant & specific examples

Appropriate word count

1 paragraphs

164 words

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Wi-Fi was invented by the committee of IEEE 802.11 i

Include an introduction and conclusion

Some people think that climate change reforms will negatively affect businesses. Others feel that they are an opportunity for businesses. Discuss both views and give your opinion

"prevention is better than cure". Research and treating is too costly. so it would be better to invest in preventive measure. To what extend do you agree.

Some people argue that too much attention and too many resources are given to the protection of wild animals and birds. To what extent do you agree or disagree?

Children are now less active in their free time than in the past. Therefore, sports lessons must be compulsory in schools. To what extent do you agree or disagree?

Some animal species are now completely extinct. Many people believe that we should prevent this from happening in the future. Do you agree or disagree with this statement?